Home / 152,436.74-210,346.20-84,451.95

Finding the Fourth Proportional to 152,436.74, 210,346.20 and 84,451.95

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Solution

The fourth proportional to 152,436.74, 210,346.20 and 84,451.95 is: 116,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,436.74 : 210,346.20 = 84,451.95 : x
  2. Step 2: Convert to fraction form
    152,436.74/210,346.20 = 84,451.95/x
  3. Step 3: Cross multiply
    152,436.74x = 210,346.20 × 84,451.95
  4. Step 4: Simplify right side
    152,436.74x = 17,764,146,765.09
  5. Step 5: Solve for x
    x = 17,764,146,765.09/152,436.74
  6. Step 6: Final answer
    x = 116,534.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.